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Wintucycas

Cycadopsida - Cycadales - Zamiaceae

Synonymy list
YearName and author
2012Wintucycas Martínez et al. p. 438 figs. 2-5
2018Wintucycas Martínez et al. p. 3

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
phylumCycadophytaBessey 1907
classCycadopsidaBrongniart 1843
RankNameAuthor
orderCycadalesDumortier 1829
familyZamiaceaeHoraninow 1834
subfamilyEncephalartoideaeStevenson
genusWintucycas

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Wintucycas Martínez et al. 2012
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Wintucycas beatrizae Martínez et al. 2018
Wintucycas stevensonii Martínez et al. 2012
Diagnosis
ReferenceDiagnosis
L. C. A. Martínez et al. 2012Columnar, polyxylic stem, covered by persistent rhomboidal leaf bases. Parenchymatous central pith with mucilage canals, idioblasts and medullary vascular bundles. Cylindrical vascular system with many rings of manoxylic secondary xylem and phloem containing uni- to multiseriate rays, and centripetal vascular bundles adjacent to the innermost ring. Parenchymatous cortex with mucilage canals, idioblasts and girdling leaf traces in cortex.
Measurements
No measurements are available
No ecological data are available

Age range: base of the Maastrichtian to the top of the Danian or 72.20000 to 61.66000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Maastrichtian72.2 - 66.0Argentina (Río Negro) W. stevensonii (28459)
Danian66.0 - 61.66Argentina (Neuquén) W. beatrizae (241392)